Calculate room dimensions
sq ft
Standard room dimensions
Typical US room sizes
- Small bedroom (100 sq ft)10 × 10 ft
- Medium bedroom (150 sq ft)10 × 15 ft
- Master bedroom (250 sq ft)14 × 18 ft
- Living room (300 sq ft)15 × 20 ft
- Dining room (130 sq ft)11 × 12 ft
- Kitchen (160 sq ft)10 × 16 ft
Why use this calculator?
Property listings often quote square footage without room dimensions. This tool helps you visualize what 200 sq ft actually looks like — a narrow 10×20 ft room feels very different from a 14×14 ft square.
Also useful for furniture planning — knowing whether a wall is 12 or 15 feet long matters more than the total sq footage. Use the sq ft calculator to measure an existing room.